H2S Area Monitor - 1.5" Diameter (5-Pack) for Industrial Gas Detection

Chemteq Area Monitors are direct-read colorimetric indicators that indicate the presence of trace toxic chemicals in air. They are reliable and cost effect means for protection from exposure to toxic chemicals in the work place. The monitors are selective and highly sensitive to target chemicals with first noticeable color changes appear at or below OSHA permissible exposure limits (PEL).